rename CFG_ENV_IS_IN_FLASH in CONFIG_ENV_IS_IN_FLASH

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/SX1.h b/include/configs/SX1.h
index d233679..d1b6998 100644
--- a/include/configs/SX1.h
+++ b/include/configs/SX1.h
@@ -189,7 +189,7 @@
 #define CFG_FLASH_ERASE_TOUT	(20*CFG_HZ) /* Timeout for Flash Erase */
 #define CFG_FLASH_WRITE_TOUT	(20*CFG_HZ) /* Timeout for Flash Write */
 
-#define CFG_ENV_IS_IN_FLASH	1
+#define CONFIG_ENV_IS_IN_FLASH	1
 #define CFG_ENV_SECT_SIZE	PHYS_FLASH_SECT_SIZE
 #define CFG_ENV_SIZE		CFG_ENV_SECT_SIZE /* Total Size of Environment Sector */
 #define CFG_ENV_OFFSET	( CFG_MONITOR_BASE + CFG_MONITOR_LEN ) /* Environment after Monitor */